import os
import random

order = [4,8,9,10,11,12]
k = 0
files = os.listdir('./data')
for i in files:
    f = open('./data/'+i,'a')
    for j in range(order[k]):
        f.write(str(random.randint(1,20)))
        f.write('\n')
    k=k+1
    f.write('0\n')
    f.close()